1 /* $Id: petscsys.h,v 1.50 2000/05/10 16:44:25 bsmith Exp bsmith $ */ 2 /* 3 Provides access to system related and general utility routines. 4 */ 5 #if !defined(__PETSCSYS_H) 6 #define __PETSCSYS_H 7 8 #include "petsc.h" 9 #include <errno.h> 10 11 EXTERN int PetscGetArchType(char[],int); 12 EXTERN int PetscGetHostName(char[],int); 13 EXTERN int PetscGetUserName(char[],int); 14 EXTERN int PetscGetProgramName(char[],int); 15 EXTERN int PetscSetProgramName(const char[]); 16 EXTERN int PetscGetDate(char[],int); 17 EXTERN int PetscSetInitialDate(void); 18 EXTERN int PetscGetInitialDate(char[],int); 19 20 EXTERN int PetscSortInt(int,int[]); 21 EXTERN int PetscSortIntWithPermutation(int,const int[],int[]); 22 EXTERN int PetscSortIntWithArray(int,int[],int[]); 23 EXTERN int PetscSortDouble(int,double[]); 24 EXTERN int PetscSortDoubleWithPermutation(int,const double[],int[]); 25 26 EXTERN int PetscSetDisplay(void); 27 EXTERN int PetscGetDisplay(char[],int); 28 29 #define PETSCRANDOM_COOKIE PETSC_COOKIE+19 30 31 typedef enum { RANDOM_DEFAULT,RANDOM_DEFAULT_REAL, 32 RANDOM_DEFAULT_IMAGINARY } PetscRandomType; 33 34 typedef struct _p_PetscRandom* PetscRandom; 35 36 EXTERN int PetscRandomCreate(MPI_Comm,PetscRandomType,PetscRandom*); 37 EXTERN int PetscRandomGetValue(PetscRandom,Scalar*); 38 EXTERN int PetscRandomSetInterval(PetscRandom,Scalar,Scalar); 39 EXTERN int PetscRandomDestroy(PetscRandom); 40 41 EXTERN int PetscGetFullPath(const char[],char[],int); 42 EXTERN int PetscGetRelativePath(const char[],char[],int); 43 EXTERN int PetscGetWorkingDirectory(char[],int); 44 EXTERN int PetscGetRealPath(char[],char[]); 45 EXTERN int PetscGetHomeDirectory(char[],int); 46 EXTERN int PetscTestFile(const char[],char,PetscTruth*); 47 EXTERN int PetscBinaryRead(int,void*,int,PetscDataType); 48 EXTERN int PetscSynchronizedBinaryRead(MPI_Comm,int,void*,int,PetscDataType); 49 EXTERN int PetscBinaryWrite(int,void*,int,PetscDataType,int); 50 EXTERN int PetscBinaryOpen(const char[],int,int *); 51 EXTERN int PetscBinaryClose(int); 52 EXTERN int PetscSharedTmp(MPI_Comm,PetscTruth *); 53 EXTERN int PetscSharedWorkingDirectory(MPI_Comm,PetscTruth *); 54 EXTERN int PetscGetTmp(MPI_Comm,char *,int); 55 EXTERN int PetscFileRetrieve(MPI_Comm,const char *,char *,int,PetscTruth*); 56 57 /* 58 In binary files variables are stored using the following lengths, 59 regardless of how they are stored in memory on any one particular 60 machine. Use these rather then sizeof() in computing sizes for 61 PetscBinarySeek(). 62 */ 63 #define BINARY_INT_SIZE (32/8) 64 #define BINARY_FLOAT_SIZE (32/8) 65 #define BINARY_CHAR_SIZE (8/8) 66 #define BINARY_SHORT_SIZE (16/8) 67 #define BINARY_DOUBLE_SIZE (64/8) 68 #define BINARY_SCALAR_SIZE sizeof(Scalar) 69 70 typedef enum {BINARY_SEEK_SET = 0,BINARY_SEEK_CUR = 1,BINARY_SEEK_END = 2} PetscBinarySeekType; 71 EXTERN int PetscBinarySeek(int,int,PetscBinarySeekType,int*); 72 EXTERN int PetscSynchronizedBinarySeek(MPI_Comm,int,int,PetscBinarySeekType,int*); 73 74 EXTERN int PetscSetDebugger(const char[],PetscTruth); 75 EXTERN int PetscAttachDebugger(void); 76 EXTERN int PetscStopForDebugger(void); 77 78 #endif 79 80